<?php

/*
*  Copyright (c) Codiad & Kent Safranski (codiad.com), Isaac Brown (telaaedifex.com),
*  distributed as-is and without warranty under the MIT License. See
*  [root]/license.txt for more. This information must remain intact.
*/

//////////////////////////////////////////////////////////////////////
// Paths
//////////////////////////////////////////////////////////////////////

$path = $_POST['path'];

$rel = str_replace( '/components/install/process.php', '', $_SERVER['REQUEST_URI'] );

$workspace = $path . "/workspace";
$users = $path . "/data/users.php";
$projects = $path . "/data/projects.php";
$active = $path . "/data/active.php";
$sessions = $path . "/data/sessions";
$config = $path . "/config.php";

//////////////////////////////////////////////////////////////////////
// Functions
//////////////////////////////////////////////////////////////////////

function saveFile( $file, $data ) {
	
	$write = fopen( $file, 'w' ) or die( "can't open file" );
	fwrite( $write, $data );
	fclose( $write );
}

function saveJSON( $file, $data ) {
	
	$data = "<?php/*|\r\n" . json_encode( $data ) . "\r\n|*/?>";
	saveFile( $file, $data );
}

function encryptPassword( $p ) {
	
	return sha1( md5( $p ) );
}

function cleanUsername( $username ) {
	
	return preg_replace( '#[^A-Za-z0-9' . preg_quote( '-_@. ' ).  ']#', '', $username );
}

function isAbsPath( $path ) {
	
	return $path[0] === '/';
}

function cleanPath( $path ) {
	
	// prevent Poison Null Byte injections
	$path = str_replace( chr( 0 ), '', $path );
	
	// prevent go out of the workspace
	while ( strpos( $path, '../' ) !== false ) {
		
		$path = str_replace( '../', '', $path );
	}
	return $path;
}

//////////////////////////////////////////////////////////////////////
// Verify no overwrites
//////////////////////////////////////////////////////////////////////

if ( ( file_exists( $user_settings_file ) || file_exists( $projects_file ) || file_exists( $users_file ) ) || ! ( defined( "DBHOST" ) && defined( "DBNAME" ) && defined( "DBUSER" ) && defined( "DBPASS" ) && defined( "DBTYPE" ) ) ) {
	
	//////////////////////////////////////////////////////////////////
	// Get POST responses
	//////////////////////////////////////////////////////////////////
	
	$username = cleanUsername( $_POST['username'] );
	$password = encryptPassword( $_POST['password'] );
	$project_name = $_POST['project_name'];
	if ( isset( $_POST['project_path'] ) ) {
	
		$project_path = $_POST['project_path'];
	} else {
		
		$project_path = $project_name;
	}
	$timezone = $_POST['timezone'];
	
	//////////////////////////////////////////////////////////////////
	// Create Projects files
	//////////////////////////////////////////////////////////////////
	
	$project_path = cleanPath( $project_path );
	
	if ( ! isAbsPath( $project_path ) ) {
	
		$project_path = str_replace( " ", "_", preg_replace( '/[^\w-\.]/', '', $project_path ) );
		mkdir( $workspace . "/" . $project_path );
	} else {
		
		$project_path = cleanPath( $project_path );
		if ( substr( $project_path, -1 ) == '/' ) {
			
			$project_path = substr( $project_path, 0, strlen( $project_path ) - 1 );
		}
		if ( ! file_exists( $project_path ) ) {
			
			if ( ! mkdir( $project_path . '/', 0755, true ) ) {
				
				die( "Unable to create Absolute Path" );
			}
		} else {
			
			if ( ! is_writable( $project_path ) || ! is_readable( $project_path ) ) {
				
				die( "No Read/Write Permission" );
			}
		}
	}
	$project_data = array("name"=>$project_name,"path"=>$project_path);
	
	saveJSON($projects, array($project_data));
	
	/**
	* Create sessions path.
	*/
	
	if ( ! is_dir( $sessions ) ) {
	
		mkdir( $sessions, 00755 );
	}
	
	//////////////////////////////////////////////////////////////////
	// Create Users file
	//////////////////////////////////////////////////////////////////
	
	$user_data = array("username"=>$username,"password"=>$password,"project"=>$project_path);
	
	saveJSON($users, array($user_data));
	
	//////////////////////////////////////////////////////////////////
	// Create Active file
	//////////////////////////////////////////////////////////////////
	
	saveJSON($active, array(''));
	
	//////////////////////////////////////////////////////////////////
	// Create Config
	//////////////////////////////////////////////////////////////////
	
	
	$config_data = '<?php

/*
*  Copyright (c) Codiad & Kent Safranski (codiad.com), Isaac Brown (telaaedifex.com),
*  distributed as-is and without warranty under the MIT License. See
*  [root]/license.txt for more. This information must remain intact.
*/

//////////////////////////////////////////////////////////////////
// CONFIG
//////////////////////////////////////////////////////////////////

// PATH TO CODIAD
define("BASE_PATH", "' . $path . '");

// BASE URL TO CODIAD (without trailing slash)
define("BASE_URL", "' . $_SERVER["HTTP_HOST"] . $rel . '");

// THEME : default, modern or clear (look at /themes)
define("THEME", "default");

// ABSOLUTE PATH
define("WHITEPATHS", BASE_PATH . ",/home");

// SESSIONS (e.g. 7200)
$cookie_lifetime = "0";

// TIMEZONE
date_default_timezone_set("' . $_POST['timezone'] . '");

// External Authentification
//define("AUTH_PATH", "/path/to/customauth.php");

// Site Name
define("SITE_NAME", "' . $_POST['sitename'] . '");

// Database Information
define( "DBHOST", "' . $_POST['dbhost'] . '" );
define( "DBNAME", "' . $_POST['dbname'] . '" );
define( "DBUSER", "' . $_POST['dbuser'] . '" );
define( "DBPASS", "' . $_POST['dbpass'] . '" );
define( "DBTYPE", "mysql" );

//////////////////////////////////////////////////////////////////
// ** DO NOT EDIT CONFIG BELOW **
//////////////////////////////////////////////////////////////////

// PATHS
define("COMPONENTS", BASE_PATH . "/components");
define("PLUGINS", BASE_PATH . "/plugins");
define("THEMES", BASE_PATH . "/themes");
define("DATA", BASE_PATH . "/data");
define("WORKSPACE", BASE_PATH . "/workspace");

// URLS
define("WSURL", BASE_URL . "/workspace");

// Marketplace
//define("MARKETURL", "http://market.codiad.com/json");
';
	
	saveFile( $config, $config_data );
	echo( "success" );
}